
Appendix B
Answers to Exercises
Chapter 1
1.1 M = 7, P-value = 0.1719.
1.2 Valid n = 7, M = 5, P-value = 0.2266.
1.3 M = 4, P-value = 0.375.
1.4 T
−
= 10, T
0
= 10.
1.5 Valid n = 7, T
−
= 4, T
0
= 3.
1.6 T = 2, no critical value in Table A.1, do not reject H
0
.
1.7 W = 98, W
U
= 81.
1.8 W = 41, W
L
= 49.
1.9 W = 89, W
L
= 37 and W
U
= 89.
1.10 (a) W = 81, W
L
= 49 and W
U
= 87; (b) C = 26, C
L
= 27 and C
U
=
46; (c) C
L
= 28.
1.11 W = 69, W
L
= 42 and W
U
= 84; C = 41, C
U
= 43.
1.12 D
+
= 0.6 critical value = 3/5.
1.13 D
−
= 0.6349, critical value = 5/9.
1.14 D = 4/10, critical value = 43/70.
Chapter 2
2.1 Q = 4.7705, critical value = 7.8.
2.2 Q = 16, critical value = 9, significantly different